Home / 321,934.50-512,454.09

Finding the Third Proportional to 321,934.50 and 512,454.09

Calculator

Solution

The third proportional to 321,934.50 and 512,454.09 is: 815,722.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,934.50 : 512,454.09 = 512,454.09 : x
  2. Step 2: Convert to fraction form
    321,934.50/512,454.09 = 512,454.09/x
  3. Step 3: Cross multiply
    321,934.50x = 512,454.09 × 512,454.09
  4. Step 4: Simplify right side
    321,934.50x = 262,609,198,201.13
  5. Step 5: Solve for x
    x = 262,609,198,201.13/321,934.50
  6. Step 6: Final answer
    x = 815,722.45

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.